CVE-2026-41139
HIGH8.8EPSS 0.04%mathjs Allows Improperly Controlled Modification of Dynamically-Determined Object Attributes
Published: 4/10/2026Modified: 5/8/2026
Description
### Impact This security vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. ### Patches The issue was introduced in mathjs `v13.1.0`, and patched in mathjs `v15.2.0`. ### Workarounds There is no workaround without upgrading to `v15.2.0`. ### References You can find out more via the commit fixing this issue: https://github.com/josdejong/mathjs/commit/24d5ee7e25e85d49619b09122f055db4139bc057 (part of PR https://github.com/josdejong/mathjs/pull/3656).
Affected packages (1)
- npm/mathjs>= 13.1.0, < 15.2.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-41139
- PATCHhttps://github.com/josdejong/mathjs
- WEBhttps://github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221cdf6b026ffdd4
- WEBhttps://github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff8b5c2543a611
- WEBhttps://github.com/josdejong/mathjs/pull/3656
- WEBhttps://github.com/josdejong/mathjs/releases/tag/v15.2.0
- WEBhttps://github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-qj6g
- WEBhttps://github.com/josdejong/mathjs/security/advisories/GHSA-jvff-x2qm-6286